函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-core.c Create Date:2022-07-27 18:34:42
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:blk_queue_exit

函数原型:void blk_queue_exit(struct request_queue *q)

返回类型:void

参数:

类型参数名称
struct request_queue *q
452  percpu计数引用减
调用者
名称描述
generic_make_requestgeneric_make_request - hand a buffer to its device driver for I/O*@bio: The bio describing the location in memory and on the device.* generic_make_request() is used to make I/O requests of block* devices
direct_make_requestdirect_make_request - hand a buffer directly to its device driver for I/O*@bio: The bio describing the location in memory and on the device.* This function behaves like generic_make_request(), but does not protect* against recursion
blk_mq_get_request
blk_mq_alloc_request
blk_mq_alloc_request_hctx
__blk_mq_free_request
blk_mq_timeout_work
blk_mq_queue_tag_busy_iterlk_mq_queue_tag_busy_iter - iterate over all requests with a driver tag*@q: Request queue to examine
bdev_write_pagedev_write_page() - Start writing a page to a block device*@bdev: The device to write the page to*@sector: The offset on the device to write the page to (need not be aligned)*@page: The page to write*@wbc: The writeback_control for the write